Misc stuff that I clipped to share

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The gas cells of many of the early zeppelins were made from so-called goldbeater’s skin: cow intestines beaten to a pulp and then stretched. It took two hundred and fifty thousand cows to make one airship. During the First World War, Germany and its allies ceased production of sausages so that there would be enough cow guts to make zeppelins from which to bomb England. [link]